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  • 2000-2004  (1)
  • 1995-1999
  • 1985-1989  (2)
  • 1955-1959
  • 2003  (1)
  • 1987  (2)
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  • 2000-2004  (1)
  • 1995-1999
  • 1985-1989  (2)
  • 1955-1959
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  • 1
    Electronic Resource
    Electronic Resource
    Effects of Novelty Stress on Neuroendocrine Activities and Running Performance in Thoroughbred Horses (2003)
    Oxford, UK : Blackwell Science, Ltd
    Journal of neuroendocrinology 15 (2003), S. 0 
    Details
    ISSN: 1365-2826
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: This study investigated the effects of novelty stress on neuroendocrine activities and running performance in Thoroughbred horses. First, to examine the neuroendocrine responses to novelty stress, we exposed horses to two types of novel environmental stimuli (audiovisual or novel field stimuli). After the stimuli, plasma concentrations of vasopressin, catecholamines and adrenocorticotropin (ACTH), as well as heart rates, were significantly increased in each experiment. Second, we investigated neuroendocrine activities during incremental exercise. Plasma concentrations of vasopressin, catecholamines, ACTH and blood lactate increased as the exercise load increased. Finally, we investigated the effects of novelty stimuli on neuroendocrine activities and running performance during supra-maximal exercise (110% VHRmax). When the novelty stimuli were presented to horses, the increases in plasma vasopressin and catecholamines due to exercise load were significantly smaller than those in the control experiments. Blood lactate during supra-maximal exercise was also significantly lower and total run time until exhaustion was prolonged in the novel environmental stimuli compared to the control. These results suggest that novelty stimuli facilitate vasopressin release from the posterior pituitary in addition to activating the sympatho-adrenomedullary and the hypothalamic-pituitary-adrenocortical axes in thoroughbred horses, and increase exercise capacity, resulting in improvement of running performance during supra-maximal exercise.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2826.2003.01042.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    LIFE PREDICTION OF 316 STAINLESS STEEL UNDER CREEP-FATIGUE LOADING (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 9 (1987), S. 0 
    Details
    ISSN: 1460-2695
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Life prediction for creep-fatigue loading conditions should be related to creep damage mechanisms. In order to examine the effect of the creep damage mode on rupture life under creep-fatigue loading, a “combined creep-fatigue loading test” was carried out on 316 stainless steel. In this method, creep loading and fatigue loading are repeated alternately. The fracture criteria under combined loading closely depend on the creep fracture modes of the static creep test. A new life prediction method which uses this new fracture criterion is proposed. The criteria are changed when the creep damage mode varies. In order to verify the adequacy of this method, fatigue tests with a tensile strain-hold wave form were carried out. It is clear that rupture life in such fatigue tests is dependent on the chosen fracture criteria.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-2695.1987.tb00467.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Reflection electron microscopy (1987)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 20 (1987), S. 147-160 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Reflection electron microscopy (REM) in ultra-high vacuum (UHV) conditions is reviewed. UHV-REM can characterize surface structures of monolayer levels such as steps, domains of reconstructed surface structures and their boundaries and these capabilities are used to observe surface dynamic processes such as phase transitions of reconstructed surface structures and adsorbate structures and adsorption processes, oxidations, sublimations and ion-sputtering and annealing. The method is compared with other surface-imaging techniques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889887086916
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    Paper (German National Licenses)
    Fulltext
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